package com.jingdianjichi.wx.handler;

import com.jingdianjichi.wx.redis.RedisUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;
import java.util.Map;
import java.util.Random;
import java.util.concurrent.TimeUnit;

@Component
@Slf4j
public class ReceiveTextMsgHandler implements WxChatMsgHandler{

    private static final String KEY_WORD = "验证码";

    private static final String LOGIN_PREFIX = "loginCode";

    @Resource
    private RedisUtil redisUtil;

    @Override
    public WxChatMsgTypeEnum getMsgType() {
        return WxChatMsgTypeEnum.TEXT_MSG;
    }

    @Override
    public String dealMsg(Map<String, String> messageMap) {
        log.info("接收到文本消息事件");
        String content = messageMap.get("Content");//获取用户输入的内容
        if (!KEY_WORD.equals(content)){
            return "";
        }
        String toUserName = messageMap.get("ToUserName");//公众号
        String fromUserName = messageMap.get("FromUserName");//个人号
        Random random = new Random();
        int num = random.nextInt(1000);
        //用验证码作为key
        String numKey = redisUtil.buildKey(LOGIN_PREFIX,String.valueOf(num));
        //openId作为value并设置过期时间
        redisUtil.setNx(numKey,fromUserName,5L, TimeUnit.MINUTES);
        String numContent  = "您当前的验证码是: "+ num +" " +"5分钟内有效";
        String replyContent = "<xml>\n" +
                "  <ToUserName><![CDATA["+fromUserName+"]]></ToUserName>\n" +
                "  <FromUserName><![CDATA["+toUserName+"]]></FromUserName>\n" +
                "  <CreateTime>12345678</CreateTime>\n" +
                "  <MsgType><![CDATA[text]]></MsgType>\n" +
                "  <Content><![CDATA["+numContent+"]]></Content>\n" +
                "</xml>";
        return replyContent;

    }
}
